To become self-aware, people must be allowed to hear a plurality of opinions and then make up their own minds. They must be allowed to say, write and publish whatever they want. Freedom of expression is the most basic, but fundamental, right. Without it, human beings are reduced to automatons.
But now in this day and age, people are more prone to go out to try new things to enhance their performance on the field - to enhance their physical appearance.
One trouble with developing speed reading skills is that by the time you realize a book is boring you've already finished it.